[Sync] Refactor passphrase state handling

sync/internal_api/sync_manager_impl_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Unit tests for the SyncApi. Note that a lot of the underlying
 // functionality is provided by the Syncable layer, which has its own
 // unit tests. We'll test SyncApi specific things in this harness.
 
 #include <cstddef>
 #include <map>
@@ skipping 680 matching lines @@
  public:
   MOCK_METHOD2(OnPassphraseRequired,
                void(PassphraseRequiredReason,
                     const sync_pb::EncryptedData&));  // NOLINT
   MOCK_METHOD0(OnPassphraseAccepted, void());  // NOLINT
   MOCK_METHOD1(OnBootstrapTokenUpdated, void(const std::string&));  // NOLINT
   MOCK_METHOD2(OnEncryptedTypesChanged,
                void(ModelTypeSet, bool));  // NOLINT
   MOCK_METHOD0(OnEncryptionComplete, void());  // NOLINT
   MOCK_METHOD1(OnCryptographerStateChanged, void(Cryptographer*));  // NOLINT
+  MOCK_METHOD1(OnPassphraseStateChanged, void(PassphraseState));  // NOLINT
 };
 
 }  // namespace
 
 class SyncManagerTest : public testing::Test,
                         public SyncManager::ChangeDelegate {
  protected:
   enum NigoriStatus {
     DONT_WRITE_NIGORI,
     WRITE_TO_NIGORI
@@ skipping 786 matching lines @@
         THEMES,
         true /* is encrypted */));
   }
 
   // Trigger's a ReEncryptEverything with new passphrase.
   testing::Mock::VerifyAndClearExpectations(&encryption_observer_);
   EXPECT_CALL(encryption_observer_, OnBootstrapTokenUpdated(_));
   EXPECT_CALL(encryption_observer_, OnPassphraseAccepted());
   EXPECT_CALL(encryption_observer_, OnEncryptionComplete());
   EXPECT_CALL(encryption_observer_, OnCryptographerStateChanged(_));
+  EXPECT_CALL(encryption_observer_,
+      OnPassphraseStateChanged(CUSTOM_PASSPHRASE));
   sync_manager_.GetEncryptionHandler()->SetEncryptionPassphrase(
       "new_passphrase", true);
   EXPECT_TRUE(EncryptEverythingEnabledForTest());
   {
     ReadTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
     EXPECT_TRUE(GetEncryptedTypesWithTrans(&trans).Equals(ModelTypeSet::All()));
     EXPECT_TRUE(syncable::VerifyDataTypeEncryptionForTest(
         trans.GetWrappedTrans(),
         BOOKMARKS,
         true /* is encrypted */));
@@ skipping 20 matching lines @@
 // (case 1 in SyncManager::SyncInternal::SetEncryptionPassphrase)
 TEST_F(SyncManagerTest, SetInitialGaiaPass) {
   EXPECT_FALSE(SetUpEncryption(DONT_WRITE_NIGORI, UNINITIALIZED));
   EXPECT_CALL(encryption_observer_, OnBootstrapTokenUpdated(_));
   EXPECT_CALL(encryption_observer_, OnPassphraseAccepted());
   EXPECT_CALL(encryption_observer_, OnEncryptionComplete());
   EXPECT_CALL(encryption_observer_, OnCryptographerStateChanged(_));
   sync_manager_.GetEncryptionHandler()->SetEncryptionPassphrase(
       "new_passphrase",
       false);
-  EXPECT_FALSE(
-      sync_manager_.GetEncryptionHandler()->IsUsingExplicitPassphrase());
+  EXPECT_EQ(IMPLICIT_PASSPHRASE,
+            sync_manager_.GetEncryptionHandler()->GetPassphraseState());
   EXPECT_FALSE(EncryptEverythingEnabledForTest());
   {
     ReadTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
     ReadNode node(&trans);
     EXPECT_EQ(BaseNode::INIT_OK, node.InitByTagLookup(kNigoriTag));
     sync_pb::NigoriSpecifics nigori = node.GetNigoriSpecifics();
     Cryptographer* cryptographer = trans.GetCryptographer();
     EXPECT_TRUE(cryptographer->is_ready());
     EXPECT_TRUE(cryptographer->CanDecrypt(nigori.encrypted()));
   }
@@ skipping 12 matching lines @@
     cryptographer->GetBootstrapToken(&bootstrap_token);
     verifier.Bootstrap(bootstrap_token);
   }
   EXPECT_CALL(encryption_observer_, OnBootstrapTokenUpdated(_));
   EXPECT_CALL(encryption_observer_, OnPassphraseAccepted());
   EXPECT_CALL(encryption_observer_, OnEncryptionComplete());
   EXPECT_CALL(encryption_observer_, OnCryptographerStateChanged(_));
   sync_manager_.GetEncryptionHandler()->SetEncryptionPassphrase(
       "new_passphrase",
       false);
-  EXPECT_FALSE(
-      sync_manager_.GetEncryptionHandler()->IsUsingExplicitPassphrase());
+  EXPECT_EQ(IMPLICIT_PASSPHRASE,
+            sync_manager_.GetEncryptionHandler()->GetPassphraseState());
   EXPECT_FALSE(EncryptEverythingEnabledForTest());
   {
     ReadTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
     Cryptographer* cryptographer = trans.GetCryptographer();
     EXPECT_TRUE(cryptographer->is_ready());
     // Verify the default key has changed.
     sync_pb::EncryptedData encrypted;
     cryptographer->GetKeys(&encrypted);
     EXPECT_FALSE(verifier.CanDecrypt(encrypted));
   }
@@ skipping 22 matching lines @@
                                            root_node, "foo");
     EXPECT_EQ(WriteNode::INIT_SUCCESS, result);
     sync_pb::PasswordSpecificsData data;
     data.set_password_value("secret");
     password_node.SetPasswordSpecifics(data);
   }
   EXPECT_CALL(encryption_observer_, OnBootstrapTokenUpdated(_));
   EXPECT_CALL(encryption_observer_, OnPassphraseAccepted());
   EXPECT_CALL(encryption_observer_, OnEncryptionComplete());
   EXPECT_CALL(encryption_observer_, OnCryptographerStateChanged(_));
+  EXPECT_CALL(encryption_observer_,
+      OnPassphraseStateChanged(CUSTOM_PASSPHRASE));
   sync_manager_.GetEncryptionHandler()->SetEncryptionPassphrase(
       "new_passphrase",
       true);
-  EXPECT_TRUE(
-      sync_manager_.GetEncryptionHandler()->IsUsingExplicitPassphrase());
+  EXPECT_EQ(CUSTOM_PASSPHRASE,
+            sync_manager_.GetEncryptionHandler()->GetPassphraseState());
   EXPECT_FALSE(EncryptEverythingEnabledForTest());
   {
     ReadTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
     Cryptographer* cryptographer = trans.GetCryptographer();
     EXPECT_TRUE(cryptographer->is_ready());
     // Verify the default key has changed.
     sync_pb::EncryptedData encrypted;
     cryptographer->GetKeys(&encrypted);
     EXPECT_FALSE(verifier.CanDecrypt(encrypted));
 
@@ skipping 31 matching lines @@
     other_cryptographer.GetKeys(nigori.mutable_encrypted());
     cryptographer->SetPendingKeys(nigori.encrypted());
     EXPECT_TRUE(cryptographer->has_pending_keys());
     node.SetNigoriSpecifics(nigori);
   }
   EXPECT_CALL(encryption_observer_, OnBootstrapTokenUpdated(_));
   EXPECT_CALL(encryption_observer_, OnPassphraseAccepted());
   EXPECT_CALL(encryption_observer_, OnEncryptionComplete());
   EXPECT_CALL(encryption_observer_, OnCryptographerStateChanged(_));
   sync_manager_.GetEncryptionHandler()->SetDecryptionPassphrase("passphrase2");
-  EXPECT_FALSE(
-      sync_manager_.GetEncryptionHandler()->IsUsingExplicitPassphrase());
+  EXPECT_EQ(IMPLICIT_PASSPHRASE,
+            sync_manager_.GetEncryptionHandler()->GetPassphraseState());
   EXPECT_FALSE(EncryptEverythingEnabledForTest());
   {
     ReadTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
     Cryptographer* cryptographer = trans.GetCryptographer();
     EXPECT_TRUE(cryptographer->is_ready());
     // Verify we're encrypting with the new key.
     sync_pb::EncryptedData encrypted;
     cryptographer->GetKeys(&encrypted);
     EXPECT_TRUE(other_cryptographer.CanDecrypt(encrypted));
   }
@@ skipping 34 matching lines @@
   // The bootstrap token should have been updated. Save it to ensure it's based
   // on the new GAIA password.
   std::string bootstrap_token;
   EXPECT_CALL(encryption_observer_, OnBootstrapTokenUpdated(_))
       .WillOnce(SaveArg<0>(&bootstrap_token));
   EXPECT_CALL(encryption_observer_, OnPassphraseRequired(_,_));
   EXPECT_CALL(encryption_observer_, OnCryptographerStateChanged(_));
   sync_manager_.GetEncryptionHandler()->SetEncryptionPassphrase(
       "new_gaia",
       false);
-  EXPECT_FALSE(
-      sync_manager_.GetEncryptionHandler()->IsUsingExplicitPassphrase());
+  EXPECT_EQ(IMPLICIT_PASSPHRASE,
+            sync_manager_.GetEncryptionHandler()->GetPassphraseState());
   EXPECT_FALSE(EncryptEverythingEnabledForTest());
   testing::Mock::VerifyAndClearExpectations(&encryption_observer_);
   {
     ReadTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
     Cryptographer* cryptographer = trans.GetCryptographer();
     EXPECT_TRUE(cryptographer->is_initialized());
     EXPECT_FALSE(cryptographer->is_ready());
     // Verify we're encrypting with the new key, even though we have pending
     // keys.
     sync_pb::EncryptedData encrypted;
     other_cryptographer.GetKeys(&encrypted);
     EXPECT_TRUE(cryptographer->CanDecrypt(encrypted));
   }
   EXPECT_CALL(encryption_observer_, OnBootstrapTokenUpdated(_));
   EXPECT_CALL(encryption_observer_, OnPassphraseAccepted());
   EXPECT_CALL(encryption_observer_, OnEncryptionComplete());
   EXPECT_CALL(encryption_observer_, OnCryptographerStateChanged(_));
   sync_manager_.GetEncryptionHandler()->SetEncryptionPassphrase(
       "old_gaia",
       false);
-  EXPECT_FALSE(
-      sync_manager_.GetEncryptionHandler()->IsUsingExplicitPassphrase());
+  EXPECT_EQ(IMPLICIT_PASSPHRASE,
+            sync_manager_.GetEncryptionHandler()->GetPassphraseState());
   {
     ReadTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
     Cryptographer* cryptographer = trans.GetCryptographer();
     EXPECT_TRUE(cryptographer->is_ready());
 
     // Verify we're encrypting with the new key.
     sync_pb::EncryptedData encrypted;
     other_cryptographer.GetKeys(&encrypted);
     EXPECT_TRUE(cryptographer->CanDecrypt(encrypted));
 
@@ skipping 28 matching lines @@
     other_cryptographer.GetKeys(nigori.mutable_encrypted());
     cryptographer->SetPendingKeys(nigori.encrypted());
     EXPECT_TRUE(cryptographer->has_pending_keys());
     nigori.set_using_explicit_passphrase(true);
     node.SetNigoriSpecifics(nigori);
   }
   EXPECT_CALL(encryption_observer_, OnBootstrapTokenUpdated(_));
   EXPECT_CALL(encryption_observer_, OnPassphraseAccepted());
   EXPECT_CALL(encryption_observer_, OnEncryptionComplete());
   EXPECT_CALL(encryption_observer_, OnCryptographerStateChanged(_));
+  EXPECT_CALL(encryption_observer_,
+      OnPassphraseStateChanged(CUSTOM_PASSPHRASE));
   sync_manager_.GetEncryptionHandler()->SetDecryptionPassphrase("explicit");
-  EXPECT_TRUE(
-      sync_manager_.GetEncryptionHandler()->IsUsingExplicitPassphrase());
+  EXPECT_EQ(CUSTOM_PASSPHRASE,
+            sync_manager_.GetEncryptionHandler()->GetPassphraseState());
   EXPECT_FALSE(EncryptEverythingEnabledForTest());
   {
     ReadTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
     Cryptographer* cryptographer = trans.GetCryptographer();
     EXPECT_TRUE(cryptographer->is_ready());
     // Verify we're encrypting with the new key.
     sync_pb::EncryptedData encrypted;
     cryptographer->GetKeys(&encrypted);
     EXPECT_TRUE(other_cryptographer.CanDecrypt(encrypted));
   }
@@ skipping 21 matching lines @@
     cryptographer->SetPendingKeys(nigori.encrypted());
     EXPECT_FALSE(cryptographer->is_ready());
   }
   EXPECT_CALL(encryption_observer_, OnBootstrapTokenUpdated(_));
   EXPECT_CALL(encryption_observer_, OnPassphraseAccepted());
   EXPECT_CALL(encryption_observer_, OnEncryptionComplete());
   EXPECT_CALL(encryption_observer_, OnCryptographerStateChanged(_));
   sync_manager_.GetEncryptionHandler()->SetEncryptionPassphrase(
       "passphrase",
       false);
-  EXPECT_FALSE(
-      sync_manager_.GetEncryptionHandler()->IsUsingExplicitPassphrase());
+  EXPECT_EQ(IMPLICIT_PASSPHRASE,
+            sync_manager_.GetEncryptionHandler()->GetPassphraseState());
   EXPECT_FALSE(EncryptEverythingEnabledForTest());
   {
     ReadTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
     Cryptographer* cryptographer = trans.GetCryptographer();
     EXPECT_TRUE(cryptographer->is_ready());
   }
 }
 
 TEST_F(SyncManagerTest, SetPassphraseWithEmptyPasswordNode) {
   EXPECT_TRUE(SetUpEncryption(WRITE_TO_NIGORI, DEFAULT_ENCRYPTION));
   int64 node_id = 0;
   std::string tag = "foo";
   {
     WriteTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
     ReadNode root_node(&trans);
     root_node.InitByRootLookup();
 
     WriteNode password_node(&trans);
     WriteNode::InitUniqueByCreationResult result =
         password_node.InitUniqueByCreation(PASSWORDS, root_node, tag);
     EXPECT_EQ(WriteNode::INIT_SUCCESS, result);
     node_id = password_node.GetId();
   }
   EXPECT_CALL(encryption_observer_, OnBootstrapTokenUpdated(_));
   EXPECT_CALL(encryption_observer_, OnPassphraseAccepted());
   EXPECT_CALL(encryption_observer_, OnEncryptionComplete());
   EXPECT_CALL(encryption_observer_, OnCryptographerStateChanged(_));
+  EXPECT_CALL(encryption_observer_,
+      OnPassphraseStateChanged(CUSTOM_PASSPHRASE));
   sync_manager_.GetEncryptionHandler()->SetEncryptionPassphrase(
       "new_passphrase",
       true);
-  EXPECT_TRUE(
-      sync_manager_.GetEncryptionHandler()->IsUsingExplicitPassphrase());
+  EXPECT_EQ(CUSTOM_PASSPHRASE,
+            sync_manager_.GetEncryptionHandler()->GetPassphraseState());
   EXPECT_FALSE(EncryptEverythingEnabledForTest());
   {
     ReadTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
     ReadNode password_node(&trans);
     EXPECT_EQ(BaseNode::INIT_FAILED_DECRYPT_IF_NECESSARY,
               password_node.InitByClientTagLookup(PASSWORDS,
                                                   tag));
   }
   {
     ReadTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
@@ skipping 199 matching lines @@
         specifics.encrypted()));
   }
   EXPECT_TRUE(ResetUnsyncedEntry(BOOKMARKS, client_tag));
 
   // Set a new passphrase. Should set is_unsynced.
   testing::Mock::VerifyAndClearExpectations(&encryption_observer_);
   EXPECT_CALL(encryption_observer_, OnBootstrapTokenUpdated(_));
   EXPECT_CALL(encryption_observer_, OnPassphraseAccepted());
   EXPECT_CALL(encryption_observer_, OnEncryptionComplete());
   EXPECT_CALL(encryption_observer_, OnCryptographerStateChanged(_));
+  EXPECT_CALL(encryption_observer_,
+      OnPassphraseStateChanged(CUSTOM_PASSPHRASE));
   sync_manager_.GetEncryptionHandler()->SetEncryptionPassphrase(
       "new_passphrase",
       true);
   {
     ReadTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
     ReadNode node(&trans);
     EXPECT_EQ(BaseNode::INIT_OK,
               node.InitByClientTagLookup(BOOKMARKS, client_tag));
     const syncable::Entry* node_entry = node.GetEntry();
     const sync_pb::EntitySpecifics& specifics = node_entry->Get(SPECIFICS);
@@ skipping 176 matching lines @@
                  entity_specifics);
   // New node shouldn't start off unsynced.
   EXPECT_FALSE(ResetUnsyncedEntry(PASSWORDS, client_tag));
 
   // Set a new passphrase. Should set is_unsynced.
   testing::Mock::VerifyAndClearExpectations(&encryption_observer_);
   EXPECT_CALL(encryption_observer_, OnBootstrapTokenUpdated(_));
   EXPECT_CALL(encryption_observer_, OnPassphraseAccepted());
   EXPECT_CALL(encryption_observer_, OnEncryptionComplete());
   EXPECT_CALL(encryption_observer_, OnCryptographerStateChanged(_));
+  EXPECT_CALL(encryption_observer_,
+      OnPassphraseStateChanged(CUSTOM_PASSPHRASE));
   sync_manager_.GetEncryptionHandler()->SetEncryptionPassphrase(
       "new_passphrase",
       true);
-  EXPECT_TRUE(
-      sync_manager_.GetEncryptionHandler()->IsUsingExplicitPassphrase());
+  EXPECT_EQ(CUSTOM_PASSPHRASE,
+            sync_manager_.GetEncryptionHandler()->GetPassphraseState());
   EXPECT_TRUE(ResetUnsyncedEntry(PASSWORDS, client_tag));
 }
 
 // Passwords have their own handling for encryption. Verify it does not result
 // in unnecessary writes via ReencryptEverything.
 TEST_F(SyncManagerTest, UpdatePasswordReencryptEverything) {
   std::string client_tag = "title";
   EXPECT_TRUE(SetUpEncryption(WRITE_TO_NIGORI, DEFAULT_ENCRYPTION));
   sync_pb::EntitySpecifics entity_specifics;
   {
@@ skipping 542 matching lines @@
 
   // Verify only the non-disabled types remain after cleanup.
   sync_manager_.PurgeDisabledTypes(enabled_types, new_enabled_types);
   EXPECT_TRUE(new_enabled_types.Equals(
       Union(sync_manager_.InitialSyncEndedTypes(), partial_enabled_types)));
   EXPECT_TRUE(disabled_types.Equals(
       sync_manager_.GetTypesWithEmptyProgressMarkerToken(ModelTypeSet::All())));
 }
 
 }  // namespace